44.10.1.1 Buck Converter

Table 44-15. Buck converter Electrical Characteristics
Symbol Parameter Conditions Typ. Units
PEFF(2) Power Efficiency IOUT = 5mA 86 %
IOUT = 50mA 85 %
VREGSCAL(1) Voltage scaling min step size for PLx to PLy transition 5 mV
Voltage Scaling Period 1 µs
Note:
  1. These values are based on simulation. They are not covered by production test limits or characterization.
  2. These are based on characterization
Table 44-16. External Components requirements in switching mode(1)
Symbol Parameter Conditions Min. Typ. Max. Units
CIN Input regulator capacitor Tantalum or electrolytic dielectric - 10 - µF
Ceramic dielectric X7R - 100 - nF
COUT Output regulator capacitor Tantalum or electrolytic dielectric 0.8 1 1.2 µF
Ceramic dielectric X7R - 100 - nF
LEXT External Inductance Murata LQH3NPN100MJ0
RSAT_LEXT ESR of LEXT - - - 0.7
ISAT_LEXT Saturation current - 275 - - mA
Note:
  1. These values are based on simulation. They are not covered by production test limits or characterization.